Not moderately biased? (8)

I believe the answer is:

unfairly

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'biased?' is the definition.
The answer and definition are not the same part of speech.

'not moderately' is the wordplay.
'not' becomes 'un' (prefix meaning 'not').
'moderately' becomes 'fairly' (synonyms).
'un'+'fairly'='UNFAIRLY'

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(Other definitions for unfairly that I've seen before include "Without justice" , "dishonestly" , "Inequitably, wrongly" , "Unjustly" .)

I've seen this clue in the Evening Standard.

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